Drawing-frame carrier for the spinning of artificial textile materials



oct- 27 G. PIGNAL DRAWING FRAME, CARRIER FOR THE SPINNING OF ARTIFICIAL TEXTILE MATERIALS Filed July 22. 1924 In 'Vhtor;

Patented Oct. 27, 1925.

UNITED STATES PATENT OFFICE.

GEORGES PIGNAL, OF TUBIZE, BELGIUM, ASSIGNOR TO FABRIQUE DE SOIE ARTIFI- 'GIELLE DE TUBIZE, SOCIETE ANONYME, OF BRUSSELS. BELGIUM.

DRAWING-FRAME CARRIER FOR THE SPINNING OE ARTIFICIAL TEXTILE MATERIALS.

Application filed July 22, 1924. Serial No. 727,407.

To all whom it may concern.

Be it known that I. GEORGES PIGNAL, a citizen of the French Republic, residing at Tubize,-in the Kingdom of Belgium, have invented certain new and useful Improvements in Drawing-Frame Carriers for the Spinning of Artificial Textile Materials, of which the following is a specification.

My invention relates to a drawing frame carrier for the spinning of artificial textile materials. In most of the devices of this kind used hitherto, use is made, as is known,

of a rectilinear metal gutter pierced with a row of holes through which is forced the liquid which is to produce the filaments to be manufactured; this gutter or metal drawing-frame cooperates generally with a filtering device removing from the spinning liquid the impurities contained therein before it passes through the holes of the drawing frame.

In these known constructions the filtering surface corresponds with the upper section of the gutter; the result of this is that this filtering surface is clogged in a comparatively short time, long before the spinning orifices are stopped up or clogged by the impurities which may have escaped the action of the filtering surface. t

The replacing of the filtering surface then requires a dismounting of the drawingframe and consequently an interruption of the work and considerable manual labour, also in most cases these operations are hindered by the difficulties arising from the dismounting of the drawing-frame with a yiew to obtaining access to the filtering surace.

My invention has for its object to obviate these inconveniences. With this object in view it essentially consists in the special arrangement and combinations of parts as hereinafter fully described and pointed out in the appended claims.

The accompanying drawing shows by way of example a drawing-frame constructed according to my invention.

Fig. 1 gives a view in front elevation of the whole of the drawing-frame in its position of use.

Fig. 2 gives a longitudinal section .of the same drawing-frame.

Fig. 3 is a view in end elevation of the whole of the drawing-frame at work.

are independent of the gutter properly socalled which can eventually cooperate as usual with an auxiliary filtering surface, further the filtering cloths of large surface are mounted in a chamber of large capacity closed between two parts of the drawingframe which are independent of the partservmg to secure the gutter properly so called. For this purpose the drawing-frame is preferably composed of three parts on a rectangular bowl-shaped base serving as support to the gutter in order to prevent any distortion thereof under the action of the pressure, an intermediate member being applied bn the base member and providedwith a feed passage for the spinning liquid and a third member forming a lid provided with a joint at the delivery. Between the intermediate member and the member forming a lid is provided a chamber of large capacity in which is placed the principal filtering surface, the whole of the three parts composing the drawing-frame are assembled with the aid of two braces provided with pressure screws exerting .a vertical pressure on the members secured in the braces.

As shown by the figures the drawing frame includes a rectangular base a in the shape of bowls havin along its long axis a groove for holding t e gutter a, this base is provided on its long sides with four dowels b on which are jointed tightening bracesc.

The metal gutter a pierced with holes a is placed after. interposition of a joint, on the bottom of the bowl; It is covered with a filtering fabric d which is joined round the drawing-frame under the pressure of the base of a member e rovided with a rectangular passage f whic expands at the g top in the shape of a bowl g (Fig. 4) in which is placed a grating 72. which sustains a filterin fabric 11 of a surface about thrice the sur ace of the filtering fabric d. This fabric '5 forms at the same time junction between the member e and a lid 3' which carries at its centreashoulder-piece 7c pierced and screw-threaded so as to be screwed on the support and feed tube m. On each side of the shoulder piece k the lid j has two small bore-holesnwhich receive the tips of screws Z passing through the braces c and ensuring. the compression and air tightness of the whole when the braces are in the osition shown by the drawing.

T-e edges of the shoulder-piece 7c form in this case a stop-bearing for the braces.

Owing to the construction described the dismounting and remounting operations are summed up in the following actions:

For the dislnounting, one unscrews the two screws Z and turns back sideways the braces by rotating them on the dowels 6;.

one then removes successively the members i and e which only rest one on the other. For the remounting one places successively the different members upon the base and one above another, one first puts into place the gutter a, then the filtering cloth d, then the intermediate member 6, after that the grating g the filtering cloths i and finally the lid one then turns up again the braces c and one locks the whole by means of the screws b. During this remounting operation there is no fear of any disturbance of the members composing the drawing-frame and more especially of the filtering cloths d and 5 these cloths being secured by the simple superposition of the members without any longitudinal or lateral displacement of said frame. On the other hand, owing to the large surface of the filtering cloths i, the duration of action of these cloths is considerably longer than previously or than if only the filtering cloth d were used 00- g operating immediately with the gutter a. In these conditions the drawing-frame can -work without needing dismounting up to the point'where the Res (2 of the gutter itself end by being. clogged, which necessitates the replacement of th gutter.

The dismounting is therefore to some extent limited to the sole case in which the replacing of the. gutter forming a drawing frame has become necessary. Hence results a great saving of manual labour to which are added the advantages resulting from the great facility with which the dismounting and remounting are effected.

What I claim is:

1. In a device of the kind described in combination with a base having a longitudinalgroove, a gutter, the said gutter being gutter and means for holding the filtering surface above the utter.

2. In a device 0 the kind described, a base having a'longitudinal groove, a gutter placed in the said oove, the said gutter being provided with oles, a chamber above the gutter, the said chamber having a widened sect on relatively to the gutter, a filtering surface arranged in the said chamber of large section and means for holding the filtering surface in the said chamber. 4

3. In a device of the kind described a base having a longitudinal groove, a gutter placed in the said groove, the said gutter being provided with holes, an auxiliary filtering surface arranged on the upper part of the gutter, a chamber above the said auxiliary filtering surface, the said chamber having a widened section relatively to the gutter, a rincipal filtering surface arran ed in tie said chamber and means for hol ing the said filtering surface in the said chamber.

4. In a device of the kind described, a base having a longitudinal groove, a gutter placed in the said groove, the said gutter being provided with holes, an auxiliary filtering surface arranged on the upper part of the gutter, a separate member placed on the base, whereby the gutter and the auxiliary filtering surface are kept in place in the base. the said member forming a chamber having a widened section relatively to the gutter, a principal filtering surface arranged in the said chamber, a lid placed on the said member and means whereby the base, the member and the lid are pressed one on the other.

5. In a device of the kind described a base member provided with an axial groove, a gutter placed in the said groove the said utter forming a drawing-frame, an intermediate member applied on the base and securing on th latter a first filtering cloth, this intermediate member being provided with a rectangular passage expanding at the GEORGES PIGNAL. 

